Box blank



FIG. 1 is a top plan view of a box blank embodying my new design, the bottom being a mirror image thereof; and

FIG. 2 is a top plan view of a box blank embodying a modified form of my new design, the bottom being a mirror image thereof.

The box blank is constructed of conventional thickness material and in the drawing the dashed lines represent fold lines. 

The ornamental design of a box blank, substantially as shown and described. 